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mirror of https://github.com/theoludwig/theoludwig.git synced 2024-11-04 20:41:30 +01:00
.profile/utils/getAge.ts
2024-04-13 19:13:48 +02:00

23 lines
764 B
TypeScript

export const BIRTH_DATE_DAY = "31"
export const BIRTH_DATE_MONTH = "03"
export const BIRTH_DATE_YEAR = "2003"
export const BIRTH_DATE_STRING =
`${BIRTH_DATE_DAY}/${BIRTH_DATE_MONTH}/${BIRTH_DATE_YEAR}` as const
export const BIRTH_DATE_ISO_8601 =
`${BIRTH_DATE_YEAR}-${BIRTH_DATE_MONTH}-${BIRTH_DATE_DAY}` as const
export const BIRTH_DATE = new Date(BIRTH_DATE_ISO_8601)
/**
* Calculates the age of a person based on their birth date.
* @param birthDate
*/
export const getAge = (birthDate: Date): number => {
const today = new Date()
let age = today.getFullYear() - birthDate.getFullYear()
const month = today.getMonth() - birthDate.getMonth()
if (month < 0 || (month === 0 && today.getDate() < birthDate.getDate())) {
age--
}
return age
}